#504B64

#504B64

Color Values

HEX

#504B64

RGB

80, 75, 100

HSL

252.0, 14.3%, 34.3%

HSV

252.0, 25.0%, 39.2%

CMYK

20.0%, 25.0%, 0.0%, 60.8%

OKLCH

0.4277 0.0413 293.7

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#504B64

#5F644B

Analogous

#4B5264

#5C4B64

#504B64

Triadic

#504B64

#64504B

#4B6450

Split Complementary

#504B64

#645C4B

#52644B

Tetradic

#504B64

#644B52

#5F644B

#4B645C

Color Blindness Simulation

Original

#504B64

Protanopia

#4E4E5E

Deuteranopia

#4E4E5C

Tritanopia

#505958

Achromatopsia

#4E4E4E

CSS Usage

background-color: #504B64;
color: #504B64;
border-color: #504B64;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F7F6F8
100
#ECEBEF
200
#D8D6E0
300
#BDB9CB
400
#9993AE
500
#756D92
600
#5D5775
700
#4B465D
800
#3A3749
900
#2D2A37
950
#1C1B23

Contrast Checker

Text on white

8.3:1

AA Pass AAA Pass

Text on black

2.53:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026